@InProceedings{, author = {Pierre Hanna and Thomas Rocher and Matthias Robine}, title = {A Robust Retrieval System of Polyphonic Music Based on Chord Progression Similarity}, booktitle = {Proceedings of the ACM's Special Interest Group on Information Retrieval (SIGIR)}, pages = {768-769}, year = {2009}, address = {Boston, Massachusets, USA}, month = {July}, }